*{
    padding: 0;
    margin: 0;
    border: 0;
}
input{
    border: 1px solid gray;
    width: 200px;
    margin-left: 40px;
    margin-top: 20px;
}

/*form start*/
#login_main{
    width: 100%;
    height: 1300px;
    position: relative;
    background: url("./photo/14.jpg")no-repeat;
    background-size:auto 1300px;
}
.login{
    width: 300px;
    height: 1230px;
    background-color: white;
    position: absolute;
    left: 40%;
    margin-top: 5%;
    min-width: 300px;
}
.login_top{
    width: 300px;
    height: 50px;
    background-color: rgba(241,241,241);
    position: relative;
}
.login_top span{
    position: absolute;
    font-size: 12px;
    margin-left: 30%;
    margin-top: 15px;
    opacity: .7;
}
.form-group label{
    display: block;
    height: 5px;
    margin-left: 40px;
}

.main_button1{
    width: 200px;
    margin-left: 45px;
    margin-top: 20px;
}




